[ee122] Is stdin a stream?

[Richard Schmidt]

I'm putting the input into a buffer using fgets (which will automatically
tie everything up for me nicely), but if EOF is returned first or an error
is returned, the retrn value is a null pointer.

feof() takes a stream in and looks for an EOF flag, but I don't know if we
can treat stdin as an argument to that function.

also, what should the client do if a user types in a partial message and
then hits the EOF key? should we assume the user wants to break the
operation/connection or should we send out the data before the EOF key?

finally, if an error does occur, should handling things gracefully mean
trying to re-establish a connection, asking the user if they want to try and
re-establish, returning 1 (error) or just returning 0 (success)?

Rick
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